ABBREVIATIONS:

The following abbreviations are used throughout this book:

3D=Three-dimensional; AD=Advance directives; ADL=Activities of daily living; AVM=Arteriovenous malformation; BIHT=Benign intracranial hypertension; BMI=Biomedical imaging; CAT=Computer-assisted tomography; CBF=          Cerebral blood flow; CBV=Cerebral blood volume; CK=Cyberknife®; CNS=Central nervous system; CPT=Chest percussion therapy; CSF=Cerebrospinal fluid; CST=Corticospinal tract; CSW=Cerebral salt wasting; CT=Computerized tomography; CTA=Computerized tomographic angiography; CTV=Computerized tomographic venography; CVA=Cerebrovascular accident; DAI=Diffuse axonal injury; DI=Diabetes insipidus; DNA=Deoxyribonucleic acid; DNI=Do not intubate; DNR=Do not resuscitate; DTI=Diffusion tensor imaging; DVT=Deep venous thrombosis; DWI=Diffusion-weighted imaging; ECG=Electrocardiogram; EEG=Electroencephalogram; ET=Endotracheal; ETV=Endoscopic third ventriculostomy; EVD =External ventricular drain; FAQs=Frequently asked questions; fMRI=Functional magnetic resonance imaging; GBM=Glioblastoma multiforme; GI=Gastrointestinal; GK=Gammaknife®; GTR=Gross total resection; ICP=Intracranial pressure; ICU=Intensive care unit; IV=Intravenous; LP=Lumbar puncture; MIS=Minimally invasive surgery; MOA=Mechanism of action; MRA=Magnetic resonance angiography or arteriography; MRI=Magnetic resonance imaging; MRS=Magnetic resonance spectroscopy; MRV=Magnetic resonance venography; NF=Neurofibromatosis; NIH=National Institutes of Health; NINDS=National Institutes of Neurological Disorders and Stroke; NPH=Normal pressure hydrocephalus; OR=Operating room; OT=Occupational therapy or occupational therapist; OZ=Orbitozygomatic; PE=Pulmonary embolism; PEG=Percutaneous gastrostomy; PEJ=Percutaneous jejunostomy; PET=Positron emission tomography; PM=Physical Medicine & Rehabilitation; POA=Power of Attorney; PT=Physical therapy or physical therapist; RN=Radiation necrosis; ROM=Range of motion; SAS=Subarachnoid space; SCD=Sequential compression device; SDH=Subdural hematoma; SIADH=Syndrome of inappropriate antidiuretic hormone secretion; SPECT=Single photon emission computed tomography; SOL=Space occupying lesion; SQ=Subcutaneous; SRS=Stereotactic radiosurgery; TBI=Traumatic brain injury; TCD =Transcranial Doppler; TED=Thromboembolic disease; TIA=Transient ischemic attack; TPA=Tissue plasminogen activator; URL=Uniform resource locator; USA=United States of America; VA=Ventriculoatrial; VHL=Von Hippel Lindau; VP=Ventriculoperitoneal; VR=Virtual reality; WBRT=Whole brain radiation therapy; WHO=World Health Organization; WOS=Withdrawal of support